gitlab-org--gitlab-foss/db/post_migrate/20161221140236_remove_unneeded_services.rb

class RemoveUnneededServices < ActiveRecord::Migration[4.2]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  def up
    disable_statement_timeout

    execute("DELETE FROM services WHERE active = false AND properties = '{}';")
  end

  def down
    # noop
  end
end
Add version 4.2 to all existing migrations DB schema generated by a migration may look different in rails 4 and 5 (because rails 5 may use different default values). For this reason it's important to explicitly set for which rails version a migration was written for. See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912 2018-11-13 02:27:31 -05:00			`class RemoveUnneededServices < ActiveRecord::Migration[4.2]`
Remove unused services from the database This adds a migration to remove unused services, where the properties are empty. As the properties are empty, those do not contain any settings or other information. Fixes #25727 2016-12-21 08:43:39 -05:00			`include Gitlab::Database::MigrationHelpers`

			`DOWNTIME = false`

			`def up`
Disable timeout while removing services On GitLab.com this migration could take about 3 minutes. Disabling the statement we know we have enough time to complete this. Fixes #25976 2016-12-27 05:10:13 -05:00			`disable_statement_timeout`

Remove unused services from the database This adds a migration to remove unused services, where the properties are empty. As the properties are empty, those do not contain any settings or other information. Fixes #25727 2016-12-21 08:43:39 -05:00			`execute("DELETE FROM services WHERE active = false AND properties = '{}';")`
			`end`

			`def down`
			`# noop`
			`end`
			`end`